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Ultra-low-power 32b MCU ARM
Features
• Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40°C to 105°C temperature range
– 305 nA standby mode (3 wakeup pins)
– 1.15 µA standby mode + RTC
– 0.475 µA stop mode (16 wakeup lines)
– 1.35 µA stop mode + RTC
– 11 µA Low-power run mode
– 230 µA/MHz run mode
– 10 nA ultra-low I/O leakage
– 8 µs wakeup time
®
• Core: ARM
Cortex
– From 32 kHz up to 32 MHz max
– 1.25 DMIPS/MHz (Dhrystone 2.1)
– Memory protection unit
• Up to 23 capacitive sensing channels
• CRC calculation unit, 96-bit unique ID
• Reset and supply management
– Low-power, ultrasafe BOR (brownout reset)
with 5 selectable thresholds
– Ultra-low-power POR/PDR
– Programmable voltage detector (PVD)
• Clock sources
– 1 to 24 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– High Speed Internal 16 MHz factory-
trimmed RC (+/- 1%)
– Internal low-power 37 kHz RC
– Internal multispeed low-power 65 kHz to
4.2 MHz
– PLL for CPU clock and USB (48 MHz)
• Pre-programmed bootloader
– USB and USART supported
• Serial wire debug, JTAG and trace
March 2015
This is information on a product in full production.
STM32L15xQC STM32L15xRC-A
STM32L15xVC-A STM32L15xZC
32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC
®
-M3 32-bit CPU
DocID026119 Rev 5
®
-based Cortex
LQFP144 (20 × 20 mm)
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
• Up to 116 fast I/Os (102 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
• Memories
– 256 KB Flash with ECC
– 32 KB RAM
– 8 KB of true EEPROM with ECC
– 128B backup register
• LCD driver (except STM32L151xC/C-A
devices) up to 8x40 segments, contrast
adjustment, blinking mode, step-up converter
• Rich analog peripherals (down to 1.8V)
– 2x operational amplifiers
– 12-bit ADC 1 Msps up to 40 channels
– 12-bit DAC 2 ch with output buffers
– 2x ultra-low-power-comparators
(window mode and wake up capability)
• DMA controller 12x channels
• 9x peripheral communication interfaces
– 1x USB 2.0 (internal 48 MHz PLL)
– 3x USART
– 3x SPI 16 Mbits/s (2x SPI with I2S)
– 2x I2C (SMBus/PMBus)
• 11x timers: 1x 32-bit, 6x 16-bit with up to 4
IC/OC/PWM channels, 2x 16-bit basic timers,
2x watchdog timers (independent and window)
Table 1. Device summary
Reference
STM32L151QC
STM32L151QCH6
STM32L151RC-A
STM32L151RCT6A, STM32L151RCY6
STM32L151VC-A
STM32L151VCT6A
STM32L151ZC
STM32L151ZCT6
STM32L152QC
STM32L152QCH6
STM32L152RC-A
STM32L152RCT6A
STM32L152VC-A
STM32L152VCT6A
STM32L152ZC
STM32L152ZCT6
®
-M3, 256KB Flash,
-
Datasheet
production data
UFBGA132
WLCSP64
(7 × 7 mm)
(0.400 mm pitch)
Part numbers
1/133
www.st.com
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Table of Contents
Related Manuals for STMicroelectronics STM32L151QCH6
Summary of Contents for STMicroelectronics STM32L151QCH6
- Page 1 – High Speed Internal 16 MHz factory- Table 1. Device summary trimmed RC (+/- 1%) Reference Part numbers – Internal low-power 37 kHz RC – Internal multispeed low-power 65 kHz to STM32L151QC STM32L151QCH6 STM32L151RC-A STM32L151RCT6A, STM32L151RCY6 4.2 MHz STM32L151VC-A STM32L151VCT6A STM32L151ZC STM32L151ZCT6 –...
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Page 2: Table Of Contents
Contents STM32L151xC/C-A STM32L152xC/C-A Contents Introduction ..........9 Description . - Page 3 STM32L151xC/C-A STM32L152xC/C-A Contents 3.16 Timers and watchdogs ........27 3.16.1 General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM9, TIM10 and TIM11) .
- Page 4 Contents STM32L151xC/C-A STM32L152xC/C-A 6.3.4 Supply current characteristics ....... . 63 6.3.5 Wakeup time from low-power mode .
- Page 5 STM32L151xC/C-A STM32L152xC/C-A List of tables List of tables Table 1. Device summary ............1 Table 2.
- Page 6 List of tables STM32L151xC/C-A STM32L152xC/C-A Table 47. C characteristics............94 Table 48.
- Page 7 STM32L151xC/C-A STM32L152xC/C-A List of figures List of figures Figure 1. Ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A block diagram ..13 Figure 2. Clock tree ............. . 22 Figure 3.
- Page 8 List of figures STM32L151xC/C-A STM32L152xC/C-A Figure 43. WLCSP64, 0.400 mm pitch package outline ........126 Figure 44.
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Page 9: Introduction
This STM32L151xC/C-A and STM32L152xC/C-A datasheet should be read in conjunction with the STM32L1xxxx reference manual (RM0038). The application note “Getting started with STM32L1xxxx hardware development” (AN3216) gives a hardware implementation overview. Both documents are available from the STMicroelectronics website www.st.com. ® ®... -
Page 10: Description
Description STM32L151xC/C-A STM32L152xC/C-A Description The ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A devices incorporate the ® connectivity power of the universal serial bus (USB) with the high-performance ARM ® Cortex -M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS), a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 256 Kbytes and RAM up to 32 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. -
Page 11: Device Overview
STM32L151xC/C-A STM32L152xC/C-A Description Device overview Table 2. Ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A device features and peripheral counts Peripheral STM32L15xRC-A STM32L15xVC-A STM32L15xQC STM32L15xZC Flash (Kbytes) Data EEPROM (Kbytes) RAM (Kbytes) 32 bit General- Timers purpose Basic SPI/(I2S) Communi- cation interfaces USART GPIOs Operation amplifiers 12-bit synchronized ADC Number of channels... -
Page 12: Ultra-Low-Power Device Continuum
BOM. Note: STMicroelectronics as a reliable and long-term manufacturer ensures as much as possible the pin-to-pin compatibility between any STM8Lxxxxx and STM32Lxxxxx devices and between any of the STM32Lx and STM32Fx series. Thanks to this unprecedented scalability, your old applications can be upgraded to respond to the latest market features and efficiency demand. -
Page 13: Functional Overview
STM32L151xC/C-A STM32L152xC/C-A Functional overview Functional overview Figure 1. Ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A block diagram DocID026119 Rev 5 13/133... -
Page 14: Low-Power Modes
Functional overview STM32L151xC/C-A STM32L152xC/C-A Low-power modes The ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A devices support dynamic voltage scaling to optimize its power consumption in run mode. The voltage from the internal low-drop regulator that supplies the logic can be adjusted according to the system’s maximum operating frequency and the external voltage supply. -
Page 15: Table 3. Functionalities Depending On The Operating Power Supply Range
STM32L151xC/C-A STM32L152xC/C-A Functional overview • Stop mode without RTC Stop mode achieves the lowest power consumption while retaining the RAM and register contents. All clocks are stopped, the PLL, MSI RC, HSI and LSI RC, LSE and HSE crystal oscillators are disabled. The voltage regulator is in the low-power mode. The device can be woken up from Stop mode by any of the EXTI line, in 8 µs. -
Page 16: Table 4. Cpu Frequency Range Depending On Dynamic Voltage Scaling
Functional overview STM32L151xC/C-A STM32L152xC/C-A Table 3. Functionalities depending on the operating power supply range (continued) Functionalities depending on the operating power supply range Operating power supply DAC and ADC Dynamic voltage I/O operation range operation scaling range Conversion time up Range 1, Range 2 = 2.0 to 2.4 V Functional... -
Page 17: Table 5. Functionalities Depending On The Working Mode
STM32L151xC/C-A STM32L152xC/C-A Functional overview Table 5. Functionalities depending on the working mode (from Run/active down to standby) Stop Standby Low- Low- Run/Active Sleep power power Wakeup Wakeup Sleep capability capability Flash Backup Registers EEPROM Brown-out rest (BOR) Programmable Voltage Detector (PVD) Power On Reset (POR) -
Page 18: Arm ® Cortex ® -M3 Core With Mpu
Functional overview STM32L151xC/C-A STM32L152xC/C-A Table 5. Functionalities depending on the working mode (from Run/active down to standby) (continued) Stop Standby Low- Low- Run/Active Sleep power power Wakeup Wakeup Sleep capability capability Tempsensor OP amp Comparators 16-bit and 32-bit Timers IWDG WWDG Touch sensing Systic Timer... -
Page 19: Reset And Supply Management
STM32L151xC/C-A STM32L152xC/C-A Functional overview The memory protection unit (MPU) improves system reliability by defining the memory attributes (such as read/write access permissions) for different memory regions. It provides up to eight different regions and an optional predefined background region. Owing to its embedded ARM core, the STM32L151xC/C-A and STM32L152xC/C-A devices are compatible with all ARM tools and software. -
Page 20: Voltage Regulator
Functional overview STM32L151xC/C-A STM32L152xC/C-A power ramp-up should guarantee that 1.65 V is reached on V at least 1 ms after it exits the POR area. Five BOR thresholds are available through option bytes, starting from 1.8 V to 3 V. To reduce the power consumption in Stop mode, it is possible to automatically switch off the internal reference voltage (V ) in Stop mode. -
Page 21: Clock Management
STM32L151xC/C-A STM32L152xC/C-A Functional overview Clock management The clock controller distributes the clocks coming from different oscillators to the core and the peripherals. It also manages clock gating for low-power modes and ensures clock robustness. It features: • Clock prescaler: to get the best trade-off between speed and current consumption, the clock frequency to the CPU and peripherals can be adjusted by a programmable prescaler. -
Page 22: Figure 2. Clock Tree
Functional overview STM32L151xC/C-A STM32L152xC/C-A Figure 2. Clock tree 1. For the USB function to be available, both HSE and PLL must be enabled, with the CPU running at either 24 MHz or 32 MHz. 22/133 DocID026119 Rev 5... -
Page 23: Low-Power Real-Time Clock And Backup Registers
STM32L151xC/C-A STM32L152xC/C-A Functional overview Low-power real-time clock and backup registers The real-time clock (RTC) is an independent BCD timer/counter. Dedicated registers contain the sub-second, second, minute, hour (12/24 hour), week day, date, month, year, in BCD (binary-coded decimal) format. Correction for 28, 29 (leap year), 30, and 31 day of the month are made automatically. -
Page 24: Memories
Functional overview STM32L151xC/C-A STM32L152xC/C-A Memories The STM32L151xC/C-A and STM32L152xC/C-A devices have the following features: • 32 Kbytes of embedded RAM accessed (read/write) at CPU clock speed with 0 wait states. With the enhanced bus matrix, operating the RAM does not lead to any performance penalty during accesses to the system bus (AHB and APB buses). -
Page 25: Adc (Analog-To-Digital Converter)
STM32L151xC/C-A STM32L152xC/C-A Functional overview 3.10 ADC (analog-to-digital converter) A 12-bit analog-to-digital converters is embedded into STM32L151xC/C-A and STM32L152xC/C-A devices with up to 40 external channels, performing conversions in single-shot or scan mode. In scan mode, automatic conversion is performed on a selected group of analog inputs with up to 28 external channels in a group. -
Page 26: Dac (Digital-To-Analog Converter)
Functional overview STM32L151xC/C-A STM32L152xC/C-A 3.11 DAC (digital-to-analog converter) The two 12-bit buffered DAC channels can be used to convert two digital signals into two analog voltage signal outputs. The chosen design structure is composed of integrated resistor strings and an amplifier in non-inverting configuration. This dual digital Interface supports the following features: •... -
Page 27: System Configuration Controller And Routing Interface
STM32L151xC/C-A STM32L152xC/C-A Functional overview Both comparators can wake up from Stop mode, and be combined into a window comparator. The internal reference voltage is available externally via a low-power / low-current output buffer (driving current capability of 1 µA typical). 3.14 System configuration controller and routing interface The system configuration controller provides the capability to remap some alternate... -
Page 28: General-Purpose Timers
Functional overview STM32L151xC/C-A STM32L152xC/C-A Table 6. Timer feature comparison Counter Capture/compare Complementary Timer Counter type Prescaler factor request resolution channels outputs generation TIM2, Up, down, Any integer between TIM3, 16-bit up/down 1 and 65536 TIM4 Up, down, Any integer between TIM5 32-bit up/down... -
Page 29: Basic Timers (Tim6 And Tim7)
STM32L151xC/C-A STM32L152xC/C-A Functional overview 3.16.2 Basic timers (TIM6 and TIM7) These timers are mainly used for DAC trigger generation. They can also be used as generic 16-bit time bases. 3.16.3 SysTick timer This timer is dedicated to the OS, but could also be used as a standard downcounter. It is based on a 24-bit downcounter with autoreload capability and a programmable clock source. -
Page 30: Inter-Integrated Sound (I2S)
Functional overview STM32L151xC/C-A STM32L152xC/C-A The SPIs can be served by the DMA controller. 3.17.4 Inter-integrated sound (I Two standard I2S interfaces (multiplexed with SPI2 and SPI3) are available. They can operate in master or slave mode, and can be configured to operate with a 16-/32-bit resolution as input or output channels. -
Page 31: Development Support
STM32L151xC/C-A STM32L152xC/C-A Functional overview 3.19 Development support 3.19.1 Serial wire JTAG debug port (SWJ-DP) The ARM SWJ-DP interface is embedded, and is a combined JTAG and serial wire debug port that enables either a serial wire debug or a JTAG probe to be connected to the target. The JTAG JTMS and JTCK pins are shared with SWDAT and SWCLK, respectively, and a specific sequence on the JTMS pin is used to switch between JTAG-DP and SW-DP. -
Page 32: Pin Descriptions
Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Figure 3. STM32L15xZC LQFP144 pinout 1. This figure shows the package top view. 32/133 DocID026119 Rev 5... -
Page 33: Figure 4. Stm32L15Xqc Ufbga132 Ballout
STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Figure 4. STM32L15xQC UFBGA132 ballout 1. This figure shows the package top view. DocID026119 Rev 5 33/133... -
Page 34: Figure 5. Stm32L15Xvc-A Lqfp100 Pinout
Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Figure 5. STM32L15xVC-A LQFP100 pinout 1. This figure shows the package top view 34/133 DocID026119 Rev 5... -
Page 35: Figure 6. Stm32L15Xrc-A Lqfp64 Pinout
STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Figure 6. STM32L15xRC-A LQFP64 pinout 1. This figure shows the package top view. DocID026119 Rev 5 35/133... -
Page 36: Table 7. Legend/Abbreviations Used In The Pinout Table
Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Figure 7. STM32L15xRC WLCSP64 ballout 1. This figure shows the package top view. Table 7. Legend/abbreviations used in the pinout table Name Abbreviation Definition Unless otherwise specified in brackets below the pin name, the pin function Pin name during and after reset is the same as the actual pin name Supply pin... -
Page 37: Table 8. Stm32L151Xc/C-A And Stm32L152Xc/C-A Pin Definitions
STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Table 7. Legend/abbreviations used in the pinout table (continued) Name Abbreviation Definition Unless otherwise specified by a note, all I/Os are set as floating inputs during Notes and after reset Alternate Functions selected through GPIOx_AFR registers functions functions Additional... - Page 38 Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions SS_5 SS_5 DD_5 DD_5 TIM5_CH1/TIM5_ETR ADC_IN27 ADC_IN28/ TIM5_CH2 COMP1_INP ADC_IN29/ TIM5_CH3 COMP1_INP ADC_IN30/ TIM5_CH4 COMP1_INP ADC_IN31/ PF10 PF10...
- Page 39 STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions REF- REF- REF+ REF+ 13 G8 WKUP1/ TIM2_CH1_ETR/ RTC_TAMP2/ 14 F6 PA0-WKUP1 I/O TIM5_CH1/ USART2_CTS ADC_IN0/ COMP1_INP TIM2_CH2/TIM5_CH2/...
- Page 40 Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions TIM3_CH2/TIM11_CH1/ ADC_IN7/ SPI1_MOSI/ COMP1_INP LCD_SEG4 OPAMP2_VI OPAMP2_V ADC_IN14/ 24 H6 LCD_SEG22 COMP1_INP ADC_IN15/ 25 H5 LCD_SEG23 COMP1_INP ADC_IN8/...
- Page 41 STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions ADC_IN9b/ COMP1_INP ADC_IN22/ COMP1_INP ADC_IN23/ COMP1_INP ADC_IN24/ TIM2_CH1_ETR COMP1_INP SS_7 SS_7 DD_7 DD_7 ADC_IN25/ PE10 PE10 TIM2_CH2 COMP1_INP...
- Page 42 Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions TIM9_CH2/SPI2_MISO/ ADC_IN20/ COMP1_INP 35 F2 PB14 PB14 USART3_RTS/ LCD_SEG14 TIM11_CH1/SPI2_MOSI/ ADC_IN21/ 36 F1 PB15 PB15 COMP1_INP/ I2S2_SD/ RTC_REFIN...
- Page 43 STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions TIM3_CH2/I2S3_MCK/ 38 E2 LCD_SEG25 39 E3 TIM3_CH3/LCD_SEG26 D12 66 40 D1 TIM3_CH4/LCD_SEG27 USART1_CK/MCO/ 100 D11 41 E4 LCD_COM0 101 D10 68...
- Page 44 Pin descriptions STM32L151xC/C-A STM32L152xC/C-A Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions TIM9_CH1/SPI2_NSS/ I2S2_WS SPI2_SCK/I2S2_CK TIM3_ETR/LCD_SEG31/ 54 A3 LCD_SEG43/LCD_COM7 SPI2_MISO/USART2_CTS SPI2_MOSI/I2S2_SD/ USART2_RTS/ USART2_TX SS_10 SS_10 DD_10 DD_10 USART2_RX TIM9_CH2/USART2_CK PG10...
- Page 45 STM32L151xC/C-A STM32L152xC/C-A Pin descriptions Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued) Pins Pin functions Main Pin name function Additional Alternate functions (after reset) functions TIM3_CH2/I2C1_SMBA/ SPI1_MOSI/ 57 A5 COMP2_INP SPI3_MOSI/ I2S3_SD/LCD_SEG9 TIM4_CH1/I2C1_SCL/ 58 B5 COMP2_INP USART1_TX/ TIM4_CH2/I2C1_SDA/ COMP2_INP/ 59 C5 USART1_RX PVD_IN 60 A6...
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Page 46: Table 9. Alternate Function Input/Output
Alternate functions Table 9. Alternate function input/output Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT BOOT0... - Page 47 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT PA12 SPI1_MOSI...
- Page 48 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT PB11 TIM2_CH4...
- Page 49 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 COM4/ SPI3_SCK EVENT...
- Page 50 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT USART3_TX SEG28...
- Page 51 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT TIMx_IC4 EVENT...
- Page 52 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT TIM5_ETR EVENT...
- Page 53 Table 9. Alternate function input/output (continued) Digital alternate function number AFIO0 AFIO1 AFIO2 AFIO3 AFIO4 AFIO5 AFIO6 AFIO7 AFIO8 .. AFIO11 AFIO12 .. AFIO14 AFIO15 Port name Alternate function TIM9/ SYSTEM TIM2 TIM3/4/5 I2C1/2 SPI1/2 SPI3 USART1/2/3 CPRI SYSTEM 10/11 EVENT EVENT EVENT...
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Page 54: Memory Mapping
Memory mapping STM32L151xC/C-A STM32L152xC/C-A Memory mapping Figure 8. Memory map 54/133 DocID026119 Rev 5... -
Page 55: Electrical Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Electrical characteristics Parameter conditions Unless otherwise specified, all voltages are referenced to V 6.1.1 Minimum and maximum values Unless otherwise specified the minimum and maximum values are guaranteed in the worst conditions of ambient temperature, supply voltage and frequencies by tests in production on 100% of the devices with an ambient temperature at T = 25 °C and T max (given by... -
Page 56: Power Supply Scheme
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.1.6 Power supply scheme Figure 11. Power supply scheme 56/133 DocID026119 Rev 5... -
Page 57: Optional Lcd Power Supply Scheme
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.1.7 Optional LCD power supply scheme Figure 12. Optional LCD power supply scheme 1. Option 1: LCD power supply is provided by a dedicated VLCD supply source, VSEL switch is open. 2. Option 2: LCD power supply is provided by the internal step-up converter, VSEL switch is closed, an external capacitance is needed for correct behavior of this converter. -
Page 58: Absolute Maximum Ratings
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Absolute maximum ratings Stresses above the absolute maximum ratings listed in Table 10: Voltage characteristics, Table 11: Current characteristics, and Table 12: Thermal characteristics may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these conditions is not implied. -
Page 59: Operating Conditions
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 5. A positive injection is induced by V > V while a negative injection is induced by V < V must never be INJ(PIN) exceeded. Refer to Table 10: Voltage characteristics for the maximum allowed input voltage values. 6. -
Page 60: Embedded Reset And Power Control Block Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 13. General operating conditions (continued) Symbol Parameter Conditions Unit 6 suffix version –40 Junction temperature range °C 7 suffix version –40 1. When the ADC is used, refer to Table 55: ADC characteristics. 2. It is recommended to power V and V from the same source. - Page 61 STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 14. Embedded reset and power control block characteristics (continued) Symbol Parameter Conditions Unit Falling edge 2.45 2.55 Brown-out reset threshold 3 BOR3 Rising edge 2.54 2.66 Falling edge 2.68 2.85 Brown-out reset threshold 4 BOR4 Rising edge 2.78 2.95...
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Page 62: Embedded Internal Reference Voltage
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.3.3 Embedded internal reference voltage The parameters given in Table 16 are based on characterization results, unless otherwise specified. Table 15. Embedded internal reference voltage calibration values Calibration value name Description Memory address Raw data acquired at VREFINT_CAL temperature of 30 °C ±5 °C 0x1FF8 00F8 - 0x1FF8 00F9... -
Page 63: Supply Current Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 5. To guarantee less than 1% VREF_OUT deviation. 6.3.4 Supply current characteristics The current consumption is a function of several parameters and factors such as the operating voltage, temperature, I/O pin loading, device software configuration, operating frequencies, I/O pin switching rate, program location in memory and executed binary code. -
Page 64: Table 17. Current Consumption In Run Mode, Code With Data Processing Running From Flash
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 17. Current consumption in Run mode, code with data processing running from Flash HCLK Symbol Parameter Conditions Unit [MHz] Range3, =1.2 V μA CORE VOS[1:0]=11 1200 1.15 up to 16MHz, Range2, HCLK included f /2 above =1.5 V HCLK CORE... -
Page 65: Table 18. Current Consumption In Run Mode, Code With Data Processing Running From Ram
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 18. Current consumption in Run mode, code with data processing running from RAM Symbol Parameter Conditions Unit HCLK Range3, =1.2 V μA CORE VOS[1:0]=11 1200 0.935 up to 16 MHz, Range2, HCLK included f /2 above =1.5 V HCLK CORE... -
Page 66: Table 19. Current Consumption In Sleep Mode
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 19. Current consumption in Sleep mode Symbol Parameter Conditions Unit HCLK Range3, Vcore=1.2 V VOS[1:0]=11 up to 16 MHz, Range2, HCLK included f Vcore=1.5 V HCLK above 16 MHz (PLL ON) VOS[1:0]=10 1100 Range1, Supply current in Vcore=1.8 V 1250 Sleep mode, code... -
Page 67: Table 20. Current Consumption In Low-Power Run Mode
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register) Table 20. Current consumption in Low-power run mode Symbol Parameter Conditions Unit = -40 °C to 25 °C MSI clock, 65 kHz = 85 °C = 32 kHz HCLK = 105 °C peripherals... -
Page 68: Table 21. Current Consumption In Low-Power Sleep Mode
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 21. Current consumption in Low-power sleep mode Symbol Parameter Conditions Unit MSI clock, 65 kHz = 32 kHz = -40 °C to 25 °C HCLK Flash OFF = -40 °C to 25 °C MSI clock, 65 kHz = 32 kHz = 85 °C HCLK... -
Page 69: Table 22. Typical And Maximum Current Consumptions In Stop Mode
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 22. Typical and maximum current consumptions in Stop mode Symbol Parameter Conditions Unit = -40°C to 25°C = 1.8 V = -40°C to 25°C 1.35 = 55°C 1.95 = 85°C 4.35 RTC clocked by LSI = 105°C 11.0 or LSE external clock... - Page 70 Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 22. Typical and maximum current consumptions in Stop mode (continued) Symbol Parameter Conditions Unit Regulator in LP mode, HSI and HSE OFF, independent = -40°C to 25°C watchdog and LSI enabled Supply current in = -40°C to 25°C 0.475 (Stop) Stop mode (RTC...
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Page 71: Table 23. Typical And Maximum Current Consumptions In Standby Mode
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 23. Typical and maximum current consumptions in Standby mode Symbol Parameter Conditions Unit = -40 °C to 25 °C 0.82 = 1.8 V = -40 °C to 25 °C 1.15 RTC clocked by LSI (no independent watchdog) = 55 °C 1.15... -
Page 72: Table 24. Peripheral Current Consumption
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 24. Peripheral current consumption Typical consumption, V = 3.0 V, T = 25 °C Range 1, Range 2, Range 3, Low-power Peripheral Unit CORE CORE CORE 1.8 V 1.5 V 1.2 V sleep and VOS[1:0] = VOS[1:0] = VOS[1:0] = TIM2... - Page 73 STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 24. Peripheral current consumption (continued) Typical consumption, V = 3.0 V, T = 25 °C Range 1, Range 2, Range 3, Low-power Peripheral Unit CORE CORE CORE 1.8 V 1.5 V 1.2 V sleep and VOS[1:0] = VOS[1:0] = VOS[1:0] =...
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Page 74: Wakeup Time From Low-Power Mode
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 1. Data based on differential I measurement between all peripherals OFF an one peripheral with clock enabled, in the following conditions: f = 32 MHz (range 1), f = 16 MHz (range 2), f = 4 MHz HCLK HCLK HCLK... -
Page 75: External Clock Source Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 25. Low-power mode wakeup timings Symbol Parameter Conditions Unit Wakeup from Sleep mode = 32 MHz WUSLEEP HCLK = 262 kHz HCLK Flash enabled Wakeup from Low-power sleep WUSLEEP_LP mode, f = 262 kHz = 262 kHz HCLK HCLK Flash switched OFF... -
Page 76: Figure 14. High-Speed External Clock Source Ac Timing Diagram
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 26. High-speed external user clock characteristics (continued) Symbol Parameter Conditions Unit OSC_IN input pin high level voltage 0.7V HSEH OSC_IN input pin low level voltage 0.3V HSEL w(HSEH) OSC_IN high or low time w(HSEL) r(HSE) OSC_IN rise or fall time f(HSE) OSC_IN input capacitance... -
Page 77: Table 27. Low-Speed External User Clock Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Low-speed external user clock generated from an external source The characteristics given in the following table result from tests performed using a low- speed external clock source, and under the conditions summarized in Table Table 27. Low-speed external user clock characteristics Symbol Parameter Conditions... -
Page 78: Table 28. Hse Oscillator Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A (1)(2) Table 28. HSE oscillator characteristics Symbol Parameter Conditions Min Typ Unit Oscillator frequency OSC_IN Feedback resistor kΩ Recommended load capacitance versus = 30 Ω equivalent serial resistance of the crystal = 3.3 V, HSE driving current with 30 pF load 2.5 (startup) -
Page 79: Figure 16. Hse Oscillator Circuit Diagram
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Figure 16. HSE oscillator circuit diagram 1. R value depends on the crystal characteristics. Low-speed external clock generated from a crystal/ceramic resonator The low-speed external (LSE) clock can be supplied with a 32.768 kHz crystal/ceramic resonator oscillator. All the information given in this paragraph are based on characterization results obtained with typical external components specified in Table 29. -
Page 80: Figure 17. Typical Application With A 32.768 Khz Crystal
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A is the startup time measured from the moment it is enabled (by software) to a stabilized SU(LSE) 32.768 kHz oscillation is reached. This value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer. Note: For C and C... -
Page 81: Internal Clock Source Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.3.7 Internal clock source characteristics The parameters given in Table 30 are derived from tests performed under the conditions summarized in Table High-speed internal (HSI) RC oscillator Table 30. HSI oscillator characteristics Symbol Parameter Conditions Unit Frequency = 3.0 V ±... -
Page 82: Table 32. Msi Oscillator Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Multi-speed internal (MSI) RC oscillator Table 32. MSI oscillator characteristics Symbol Parameter Condition Max Unit MSI range 0 65.5 MSI range 1 MSI range 2 Frequency after factory calibration, done at MSI range 3 = 3.3 V and T = 25 °C MSI range 4 1.05... - Page 83 STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 32. MSI oscillator characteristics (continued) Symbol Parameter Condition Max Unit MSI range 0 MSI range 1 MSI range 2 MSI range 3 MSI range 4 MSI oscillator stabilization time µs STAB(MSI) MSI range 5 MSI range 6, Voltage range 1 and 2 MSI range 3,...
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Page 84: Pll Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.3.8 PLL characteristics The parameters given in Table 33 are derived from tests performed under the conditions summarized in Table Table 33. PLL characteristics Value Symbol Parameter Unit PLL input clock PLL_IN PLL input clock duty cycle PLL output clock PLL_OUT PLL lock time... -
Page 85: Table 35. Flash Memory And Data Eeprom Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Flash memory and data EEPROM Table 35. Flash memory and data EEPROM characteristics Symbol Parameter Conditions Unit Operating voltage 1.65 Read / Write / Erase Programming/ erasing Erasing 3.28 3.94 time for byte / word / prog Programming 3.28... -
Page 86: Emc Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.3.10 EMC characteristics Susceptibility tests are performed on a sample basis during device characterization. Functional EMS (electromagnetic susceptibility) While a simple application is executed on the device (toggling 2 LEDs through I/O ports). the device is stressed by two electromagnetic events until a failure occurs. The failure is indicated by the LEDs: •... -
Page 87: Electrical Sensitivity Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics To complete these trials, ESD stress can be applied directly on the device, over the range of specification values. When unexpected behavior is detected, the software can be hardened to prevent unrecoverable errors occurring (see application note AN1015). Electromagnetic Interference (EMI) The electromagnetic field emitted by the device are monitored while a simple application is executed (toggling 2 LEDs through the I/O ports). -
Page 88: I/O Current Injection Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Static latch-up Two complementary static tests are required on six parts to assess the latch-up performance: • A supply overvoltage is applied to each power supply pin • A current injection is applied to each input, output and configurable I/O pin These tests are compliant with EIA/JESD 78A IC latch-up standard. -
Page 89: I/O Port Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.3.13 I/O port characteristics General input/output characteristics Unless otherwise specified, the parameters given in Table 48 are derived from tests performed under the conditions summarized in Table 13. All I/Os are CMOS and TTL compliant. Table 42. I/O static characteristics Symbol Parameter Conditions... -
Page 90: Table 43. Output Voltage Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Output driving current The GPIOs (general purpose input/outputs) can sink or source up to ±8 mA, and sink or source up to ±20 mA with the non-standard V specifications given in Table In the user application, the number of I/O pins which can drive current must be limited to respect the absolute maximum rating specified in Section 6.2:... -
Page 91: Table 44. I/O Ac Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Input/output AC characteristics The definition and values of input/output AC characteristics are given in Figure 18 Table 44, respectively. Unless otherwise specified, the parameters given in Table 44 are derived from tests performed under the conditions summarized in Table Table 44. -
Page 92: Nrst Pin Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Figure 18. I/O AC characteristics definition 6.3.14 NRST pin characteristics The NRST pin input driver uses CMOS technology. It is connected to a permanent pull-up resistor, R (see Table Unless otherwise specified, the parameters given in Table 45 are derived from tests performed under the conditions summarized in... -
Page 93: Tim Timer Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Figure 19. Recommended NRST pin protection 1. The reset network protects the device against parasitic resets. 2. The user must ensure that the level on the NRST pin can go below the V max level specified in IL(NRST) Table 45. -
Page 94: Communications Interfaces
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.3.16 Communications interfaces C interface characteristics The device I C interface meets the requirements of the standard I C communication protocol with the following restrictions: SDA and SCL are not “true” open-drain I/O pins. When configured as open-drain, the PMOS connected between the I/O pin and V disabled, but is still present. -
Page 95: Table 48. Scl Frequency
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Figure 20. I C bus AC waveforms and measurement circuit 1. R = series protection resistor. 2. R = external pull-up resistor. 3. V is the I2C bus power supply. DD_I2C 4. Measurement points are done at CMOS levels: 0.3V and 0.7V (1)(2) Table 48. - Page 96 Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A SPI characteristics Unless otherwise specified, the parameters given in the following table are derived from tests performed under the conditions summarized in Table Refer to Section 6.3.12: I/O current injection characteristics for more details on the input/output alternate function characteristics (NSS, SCK, MOSI, MISO).
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Page 97: Figure 21. Spi Timing Diagram - Slave Mode And Cpha = 0
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Figure 21. SPI timing diagram - slave mode and CPHA = 0 Figure 22. SPI timing diagram - slave mode and CPHA = 1 1. Measurement points are done at CMOS levels: 0.3V and 0.7V DocID026119 Rev 5 97/133... -
Page 98: Figure 23. Spi Timing Diagram - Master Mode (1)
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Figure 23. SPI timing diagram - master mode 1. Measurement points are done at CMOS levels: 0.3V and 0.7V 98/133 DocID026119 Rev 5... -
Page 99: Table 50. Usb Startup Time
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics USB characteristics The USB interface is USB-IF certified (full speed). Table 50. USB startup time Symbol Parameter Unit USB transceiver startup time µs STARTUP 1. Guaranteed by design, not tested in production. Table 51. USB DC electrical characteristics Symbol Parameter Conditions... -
Page 100: Table 53. I2S Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 52. USB: full speed electrical characteristics (continued) Driver characteristics Symbol Parameter Conditions Unit Rise/ fall time matching Output signal crossover voltage 1. Guaranteed by design, not tested in production. 2. Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB Specification - Chapter 7 (version 2.0). -
Page 101: Figure 25. I 2 S Slave Timing Diagram (Philips Protocol)
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics ODD bit value, digital contribution leads to a min of (I2SDIV/(2*I2SDIV+ODD) and a max of (I2SDIV+ODD)/(2*I2SDIV+ODD). Fs max is supported for each mode/condition. Figure 25. I S slave timing diagram (Philips protocol) 1. Measurement points are done at CMOS levels: 0.3 × V and 0.7 ×... -
Page 102: 12-Bit Adc Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 6.3.17 12-bit ADC characteristics Unless otherwise specified, the parameters given in Table 55 are guaranteed by design. Table 54. ADC clock frequency Symbol Parameter Conditions Unit REF+ = < V REF+ 2.4 V ≤ V ≤ 3.6 V >... - Page 103 STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Table 55. ADC characteristics (continued) Symbol Parameter Conditions Unit Direct channels 0.25 2.4 V ≤ V ≤ 3.6 V Multiplexed channels 0.56 2.4 V ≤ V ≤ 3.6 V µs Sampling time Direct channels 0.56 1.8 V ≤ V ≤...
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Page 104: Table 56. Adc Accuracy
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A (1)(2) Table 56. ADC accuracy Symbol Parameter Test conditions Unit Total unadjusted error Offset error 2.4 V ≤ V ≤ 3.6 V 2.4 V ≤ V ≤ 3.6 V REF+ Gain error = 8 MHz, R = 50 Ω... -
Page 105: Table 57. Maximum Source Impedance Rain Max
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics Figure 27. ADC accuracy characteristics Figure 28. Typical connection diagram using the ADC 1. Refer to Table 57: Maximum source impedance RAIN max for the value of R Table 55: ADC characteristics for the value of C 2. -
Page 106: Figure 29. Maximum Dynamic Current Consumption On V
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Figure 29. Maximum dynamic current consumption on V supply pin during ADC REF+ conversion Sampling (n cycles) Conversion (12 cycles) ADC clock ref+ 700µA 300µA MS36686V1 Table 57. Maximum source impedance R max (kΩ) Ts (cycles) Multiplexed channels Direct channels (µs) -
Page 107: Dac Electrical Specifications
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.3.18 DAC electrical specifications Data guaranteed by design, not tested in production, unless otherwise specified. Table 58. DAC characteristics Symbol Parameter Conditions Unit Analog supply voltage Reference supply must always be below REF+ REF+ voltage Lower reference voltage REF- Current consumption on No load, middle code (0x800) - Page 108 Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 58. DAC characteristics (continued) Symbol Parameter Conditions Unit = 3.3V = 3.0V REF+ = 0 to 50 ° C DAC output buffer OFF Offset error temperature dOffset/dT µV/°C coefficient (code 0x800) = 3.3V = 3.0V REF+ = 0 to 50 °...
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Page 109: Operational Amplifier Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 4. Difference between measured value at Code i and the value at Code i on a line drawn between Code 0 and last Code 4095. 5. Difference between the value measured at Code (0x800) and the ideal value = V REF+ 6. - Page 110 Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A Table 59. Operational amplifier characteristics (continued) Symbol Parameter Condition Unit Normal mode Power supply PSRR rejection ratio Low-power mode Normal mode 1000 3000 >2.4 V Low-power mode Bandwidth Normal mode 2200 <2.4 V Low-power mode >2.4 V Normal mode (between 0.1 V and -0.1 V)
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Page 111: Temperature Sensor Characteristics
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.3.20 Temperature sensor characteristics Table 60. Temperature sensor calibration values Calibration value name Description Memory address TS ADC raw data acquired at temperature of 30 °C ±5 °C TS_CAL1 0x1FF8 00FA - 0x1FF8 00FB = 3 V ±10 mV TS ADC raw data acquired at temperature of 110 °C ±5 °C TS_CAL2... -
Page 112: Table 63. Comparator 2 Characteristics
Electrical characteristics STM32L151xC/C-A STM32L152xC/C-A 1. Guaranteed by characterization results, not tested in production. 2. The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non- inverting input set to the reference. 3. Comparator consumption only. Internal reference voltage not included. Table 63. -
Page 113: Lcd Controller
STM32L151xC/C-A STM32L152xC/C-A Electrical characteristics 6.3.22 LCD controller The device embeds a built-in step-up converter to provide a constant LCD reference voltage independently from the V voltage. An external capacitor C must be connected to the pin to decouple this converter. Table 64. -
Page 114: Package Information
Package information STM32L151xC/C-A STM32L152xC/C-A Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ®... -
Page 115: Table 65. Lqfp144, 20 X 20 Mm, 144-Pin Low-Profile Quad Flat Package Mechanical Data
STM32L151xC/C-A STM32L152xC/C-A Package information Table 65. LQFP144, 20 x 20 mm, 144-pin low-profile quad flat package mechanical data millimeters inches Symbol 1.600 0.0630 0.050 0.150 0.0020 0.0059 1.350 1.400 1.450 0.0531 0.0551 0.0571 0.170 0.220 0.270 0.0067 0.0087 0.0106 0.090 0.200 0.0035 0.0079... -
Page 116: Figure 32. Lqfp144, 20 X 20 Mm, 144-Pin Low-Profile Quad Flat Package
Package information STM32L151xC/C-A STM32L152xC/C-A Figure 32. LQFP144, 20 x 20 mm, 144-pin low-profile quad flat package recommended footprint 1. Dimensions are in millimeters. Marking of engineering samples The following figure gives an example of topside marking orientation versus pin 1 identifier location. -
Page 117: Lqfp100, 14 X 14 Mm, 100-Pin Low-Profile Quad Flat Package
STM32L151xC/C-A STM32L152xC/C-A Package information LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package information Figure 34. LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package outline 1. Drawing is not to scale. Table 66. LQPF100, 14 x 14 mm, 100-pin low-profile quad flat package mechanical data millimeters inches... -
Page 118: Figure 35. Lqfp100, 14 X 14 Mm, 100-Pin Low-Profile Quad Flat Package
Package information STM32L151xC/C-A STM32L152xC/C-A Table 66. LQPF100, 14 x 14 mm, 100-pin low-profile quad flat package mechanical data (continued) millimeters inches Symbol 12.000 0.4724 0.500 0.0197 0.450 0.600 0.750 0.0177 0.0236 0.0295 1.000 0.0394 0.0° 3.5° 7.0° 0.0° 3.5° 7.0° 0.080 0.0031 1. -
Page 119: Figure 36. Lqfp100, 14 X 14 Mm, 100-Pin Low-Profile Quad Flat Package Top View Example
STM32L151xC/C-A STM32L152xC/C-A Package information Marking of engineering samples The following figure gives an example of topside marking orientation versus pin 1 identifier location. Figure 36. LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package top view example 1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet qualified and therefore not yet ready to be used in production and any consequences deriving from such usage will not be at ST charge. -
Page 120: Lqfp64, 10 X 10 Mm, 64-Pin Low-Profile Quad Flat Package Information
Package information STM32L151xC/C-A STM32L152xC/C-A LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package information Figure 37. LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package outline 1. Drawing is not to scale. Table 67. LQFP64, 10 x 10 mm 64-pin low-profile quad flat package mechanical data millimeters inches... -
Page 121: Table 67. Lqfp64, 10 X 10 Mm 64-Pin Low-Profile Quad Flat Package Mechanical Data
STM32L151xC/C-A STM32L152xC/C-A Package information Table 67. LQFP64, 10 x 10 mm 64-pin low-profile quad flat package mechanical data (continued) millimeters inches Symbol 7.500 0.2953 0.500 0.0197 0° 3.5° 7° 0° 3.5° 7° 0.450 0.600 0.750 0.0177 0.0236 0.0295 1.000 0.0394 0.080 0.0031 1. -
Page 122: Figure 39. Lqfp64 10 X 10 Mm, 64-Pin Low-Profile Quad Flat Package Top View Example
Package information STM32L151xC/C-A STM32L152xC/C-A Marking of engineering samples The following figure gives an example of topside marking orientation versus pin 1 identifier location. Figure 39. LQFP64 10 x 10 mm, 64-pin low-profile quad flat package top view example 1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet qualified and therefore not yet ready to be used in production and any consequences deriving from such usage will not be at ST charge. -
Page 123: Ufbga132, 7 X 7 Mm, 132-Ball Ultra Thin, Fine-Pitch Ball Grid Array Package Information
STM32L151xC/C-A STM32L152xC/C-A Package information UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array package information Figure 40. UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array package outline 1. Drawing is not to scale. Table 68. - Page 124 Package information STM32L151xC/C-A STM32L152xC/C-A Table 68. UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array package mechanical data (continued) millimeters inches Symbol 0.150 0.0059 0.050 0.0020 1. Values in inches are converted from mm and rounded to 4 decimal digits. Figure 41.
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Page 125: Top View Example
STM32L151xC/C-A STM32L152xC/C-A Package information Marking of engineering samples The following figure gives an example of topside marking orientation versus ball A1 identifier location. Figure 42. UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array package top view example 1. -
Page 126: Wlcsp64, 0.400 Mm Pitch Package Information
Package information STM32L151xC/C-A STM32L152xC/C-A WLCSP64, 0.400 mm pitch package information Figure 43. WLCSP64, 0.400 mm pitch package outline 1. Drawing is not to scale. Table 69. WLCSP64, 0.400 mm pitch package mechanical data millimeters inches Symbol 0.540 0.570 0.600 0.0205 0.0224 0.0236 0.190... -
Page 127: Table 70. Wlcsp64, 0.400 Mm Pitch Package Recommended Pcb Design Rules
STM32L151xC/C-A STM32L152xC/C-A Package information Table 69. WLCSP64, 0.400 mm pitch package mechanical data (continued) millimeters inches Symbol 4.876 4.911 4.946 0.1920 0.1933 0.1947 0.400 0.0157 2.800 0.1102 0.870 0.0343 1.056 0.0416 0.100 0.0039 0.100 0.0039 0.100 0.0039 0.050 0.0020 0.050 0.0020 1. -
Page 128: Figure 45. Wlcsp64, 0.400 Mm Pitch Package Top View Example
Package information STM32L151xC/C-A STM32L152xC/C-A Marking of engineering samples The following figure gives an example of topside marking orientation versus ball A1 identifier location. Figure 45. WLCSP64, 0.400 mm pitch package top view example 1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet qualified and therefore not yet ready to be used in production and any consequences deriving from such usage will not be at ST charge. -
Page 129: Thermal Characteristics
STM32L151xC/C-A STM32L152xC/C-A Package information Thermal characteristics The maximum chip-junction temperature, T max, in degrees Celsius, may be calculated using the following equation: max = T max + (P max × Θ Where: • max is the maximum ambient temperature in ° C, •... -
Page 130: Reference Document
Package information STM32L151xC/C-A STM32L152xC/C-A Figure 46. Thermal resistance suffix 6 Figure 47. Thermal resistance suffix 7 7.6.1 Reference document JESD51-2 Integrated Circuits Thermal Test Method Environment Conditions - Natural Convection (Still Air). Available from www.jedec.org. 130/133 DocID026119 Rev 5... -
Page 131: Part Numbering
STM32L151xC/C-A STM32L152xC/C-A Part numbering Part numbering Table 72. STM32L151xC/C-A and STM32L152xC/C-A ordering information scheme Example: STM32 L 151 R C Device family STM32 = ARM-based 32-bit microcontroller Product type L = Low-power Device subfamily 151: Devices without LCD 152: Devices with LCD Pin count R = 64 pins V = 100 pins... -
Page 132: Revision History
Revision History STM32L151xC/C-A STM32L152xC/C-A Revision History Table 73. Document revision history Date Revision Changes 01-Apr-2014 Initial release. Updated Table 3: Functionalities depending on the operating power supply range. Updated Table 17: Current consumption in Run mode, code with data processing running from Flash. - Page 133 IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders.
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